#37AA2D
Closest named color: Kelly Green (#02AB2E). oklch(64.9% 0.191 142), rgb(55, 170, 45).
Aa
Black text reads best on this color (6.95:1).
About this color
#37AA2D is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.191 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.016 away. Black text reads best on it, at 6.95:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.191) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 6.95:1 |
| White text | 3.02:1 |
Values
| HEX | #37AA2D |
| RGB | rgb(55, 170, 45) |
| HSL | hsl(115, 58%, 42%) |
| OKLCH | oklch(64.9% 0.191 142) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #37AA2D | 3.02:1 | AA large text | Lc -61.8 | Content text, not long reading |
| Black text on #37AA2D | 6.95:1 | AA | Lc 47.6 | Large or bold text, headings |
| #37AA2D text on white | 3.02:1 | AA large text | Lc 56.5 | Large or bold text, headings |
| #37AA2D text on black | 6.95:1 | AA | Lc -45.3 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDE
oklch(93.6% 0.028 142)
-
Step 200
200
#C6E2C3
oklch(88.4% 0.051 142.5)
-
Step 300
300
#9ED098
oklch(80.8% 0.093 142)
-
Step 400
400
#65B75D
oklch(70.6% 0.149 142)
-
Step 500
500 (this color)
#37AA2D
oklch(64.9% 0.191 142)
-
Step 600
600
#0F8C00
oklch(55.6% 0.187 142)
-
Step 700
700
#0B7600
oklch(49.1% 0.165 141.9)
-
Step 800
800
#076100
oklch(42.8% 0.144 142)
-
Step 900
900
#075102
oklch(37.8% 0.125 142)
-
Step 950
950
#092F07
oklch(26.9% 0.078 142.3)
#37AA2D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #AE9A16 | 0.133 |
| Deuteranopia (no green cones) | #A1913A | 0.134 |
| Tritanopia (no blue cones) | #1DA592 | 0.125 |
| Achromatopsia (no color) | #949494 | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37AA2D
#37AA2D
oklch(64.9% 0.191 142)
- #C35FD3
#C35FD3
oklch(65% 0.192 321.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #37AA2D, closest first.
No curated palette has a color within ΔE 0.04 of #37AA2D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.016
- Medium Green #39AD48 ΔE 0.023
- Leaf Green #5CA904 ΔE 0.027
- Grass #5CAC2D ΔE 0.029
- Shamrock #01B44C ΔE 0.032
- Mid Green #50A747 ΔE 0.034
- Grassy Green #419C03 ΔE 0.039
- Grass Green #3F9B0B ΔE 0.042
Use #37AA2D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.